<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
if ( ! function_exists('uniqueid'))
{
	function uniqueid($prefix = '') {

            $chars = md5(uniqid(mt_rand(), true));
            $uuid  = substr($chars,0,8) . '-';
            $uuid .= substr($chars,8,4) . '-';
            $uuid .= substr($chars,12,4) . '-';
            $uuid .= substr($chars,16,4) . '-';
            $uuid .= substr($chars,20,12);

            return $prefix . $uuid;

        }
}
?>
